Hot-blast stove



(No Model.) '2 Sheets-Sheet 1.

P. W. GORDON.

I HOT BLAST STOVE. No. 250,230. Patented Nov. 29,1881.

W1 T 5?: M W W INVENTOR UNITED STATES PATENT OFFICE.

FREDERICK W. GORDON, OF PITTSBURG, PENNSYLVANIA.

HOT-BLAST STOVE.

SPECIFICATION forming part of Letters Patent No. 250,230, dated November 29, 1881. Application filed August 8, 1881. (No model.)

To all whom it may concern Be it known that I, FREDERICK W. GORDON, of Pittsburg, Allegheny county, Pennsylvania, have invented certain new and useful Improvements in Hot'Blast Stoves, of which the following is a specification, reference being had to the accompanying drawings, in which Figures 1 and 2 are vertical sections of the improved stove; Figs. 3 and 4, horizontal sections,and Fig.5 avertical section of the stove, with its passages arranged somewhat differently from the manner shown in the other figures.

The shape of the stoves themselves forms no part of my improvement. The improvement pertains to details of construction.

The stove shown in the drawings is the usual cylindrical body, 1, having gas-inlet 2 and gasoutlet 3. The gas-passages serve for the air after the stove is heated by the gas. The system of walls shown divide the interior of the stove into a free uptake,and a multitluedowntake, as usual,the arrows indicating the cpurse of gas.

In Fig. 4, by a usual modification, the multifiue portion of the stove is divided into separate uptakes and downtakes to prolong the path of the gases.

In the first four figures, l is the body of the stove; 2, the inlet; 3, the outlet, and 4 the uptake portion, set off by the chord-wall 5, reaching from the bottom of the stove to near the top. Numerous chord-walls, 6, touching neither top nor bottom of the stove, divide the downtake into numerous chordfines. Ordinate walls 7 divide the chord-tines, as shown.

My improvement relates to the method of sustaining the chord and ordinate walls, so as to secure perfect stability, with roomy chambers below for cleaning and repair.

A line of piers or columns, 12, are set in the bottom of the downtake portion of the stove. These piers support the arches or lintels 11. These arches or lintels 11, in conjunction with main walls, support the arches or lintels 9, on which the ordinate walls are built, and which also sustain the arches or lintels 8, on which the chord-walls are built.

The openings 13 give admission to the pierchamber below the multiflue portion of the stove.

One of the chord-walls 10 is built directly on the arch or lintel 11, and, being of somewhat greater strength than the other chordwalls, forms a binder-wall for the general multiflue part of the structure. The wall 10 may, however, be borne by arches or lintels like those which support the walls 6, and in such case the arches or lintels 11 may be omitted, the arches or lintels 9 being borne directly by the piers 12.

If desired, two rows of piers 12 may be involved, so as to shorten the ordinate lintels; and in case the stove is to be arranged as shown in Fig. 5 the solid wall 14 takes the place of that row of piers.

As previously stated, my present invention and claims do not relate to the general form of the stove or arrangement of lines. The subdivision ofthe stove into numerous lines by means of chord and ordinate walls, such flues having appropriate communication with each other at bottom or top, is well known in connection with fire-brick hot-blast stoves. Such walls have heretofore been supported by such of them as started directly from the floor or by means of supports carried by the side walls. By myimprovement a clear and large cleaning-chamber is secured, while the support is of the most dosirable character.

I claim as my invention- 1. The combination, substantially as set forth, in inultiliue hot-blast stoves, of piers under the multiflue portion of the walls, ordinate arches or lintels above said piers, ordinate walls on said arches or lintels, chord arches or lintels resting on said arches or lintels, and chordwalls on said chord arches orlintels.

2. Thecombination,substantiallyasset forth, in multiflue hot-blast stoves, of piers under the multiflue portion of the walls, pier arches or lintels on said piers, a chord-wall on said pier arches or lintels, ordinate arches or lintels above said piers, ordinate walls on said ordinate arches or lintels, chord arches or lintels resting on said ordinate arches or lintels, and chord-walls on said chord arches or lintels.

FRED. W. GORDON.

Witnesses:

JAMES A. MOKEAN, J. P. METHERON. 

